Heater instrument panel differences for 67?
Post a photo of what you have now.
L-L references Dart-Low price point - base
L-H references Dart- high price point - 270
L-P references Dart- premium price point - GT
The eBay and this one is used in the base. L-L
Note: there is no trim on the glove box door
There is a separate plate that goes around the radio
Radio plate

The GT and 270 L-H and L-P got a full face that went all the way across.
Note: There is trim on the glove box door
This is the 68/69 AC for thumb wheel radio.
Note: in 67 there would not be any holes thru the heat/AC radio bezel for screws. It was rear attached with 2 small screws and several clips
67 looks the same except the rectangles are rounds for a post radio. the holes look like the radio plate above
67 GT/270 AC
67 GT/270 heat only
So the question is what do you have?
Also note the 67 GT/270 AC & The 67 GT/270 heat only are rare so don't cut one up.